Energy Vault (NRGV) CFO has 24,139 shares withheld for RSU taxes

Rhea-AI Filing Summary

Energy Vault Holdings, Inc. Chief Financial Officer Michael Thomas Beer reported a routine tax-related share disposition. On the vesting of restricted stock units, the issuer withheld 24,139 shares of common stock at $4.71 per share to cover his tax liability. A footnote clarifies this was not a market sale. Following the withholding, Beer directly holds 1,036,806 shares of common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Beer Michael Thomas

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	24,139	$4.71	$114K

Holdings After Transaction: Common Stock — 1,036,806 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 24,139 shares Per-share valuation of withheld shares: $4.71 per share Shares held after transaction: 1,036,806 shares

3 metrics

Shares withheld for taxes 24,139 shares Withheld on RSU vesting to satisfy tax liability

Per-share valuation of withheld shares $4.71 per share Value applied to shares withheld for tax liability

Shares held after transaction 1,036,806 shares CFO’s direct common stock holdings following tax withholding

Key Terms

restricted stock units, tax liability, withheld

3 terms

restricted stock units financial

"tax liability on vesting of restricted stock units. Not a market sale"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax liability financial

"withheld by the Issuer to satisfy the reporting person's tax liability"

withheld financial

"Represents shares withheld by the Issuer to satisfy the reporting person's tax liability"

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 04:08 PM Accepted by SEC EDGAR 07/02/2026 - 04:06 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Beer Michael Thomas

(Last) (First) (Middle)

4165 EAST THOUSAND OAKS BLVD

SUITE 100

(Street)

WESTLAKE VILLAGE CALIFORNIA 91362

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Energy Vault Holdings, Inc. [ NRGV ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/30/2026		F		24,139(1)	D	$4.71	1,036,806	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares withheld by the Issuer to satisfy the reporting person's tax liability on vesting of restricted stock units. Not a market sale.

Remarks:

	/s/ Amy Blakeway, Chief Legal Officer	07/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Energy Vault (NRGV) report for its CFO?

Energy Vault’s CFO, Michael Thomas Beer, reported a tax-related share disposition. The company withheld 24,139 common shares on RSU vesting to satisfy his tax liability, rather than selling shares in the open market.

Was the Energy Vault (NRGV) CFO’s Form 4 transaction a market sale of shares?

No, the transaction was not a market sale. The filing states the issuer withheld 24,139 shares to cover the CFO’s tax liability on vesting restricted stock units, so no open-market sale occurred.

How many Energy Vault (NRGV) shares were withheld for the CFO’s taxes?

The issuer withheld 24,139 shares of Energy Vault common stock. These shares were used to satisfy Chief Financial Officer Michael Thomas Beer’s tax obligations arising from the vesting of his restricted stock units.

At what price were the withheld Energy Vault (NRGV) shares valued?

The withheld shares were valued at $4.71 per share. This price was applied to 24,139 common shares that the issuer retained to cover the CFO’s tax liability on restricted stock unit vesting.

How many Energy Vault (NRGV) shares does the CFO hold after this Form 4 transaction?

After the tax-withholding transaction, CFO Michael Thomas Beer directly holds 1,036,806 common shares. This figure reflects his position following the issuer’s retention of 24,139 shares to satisfy his RSU-related tax obligations.